\name{update.constraint}
\alias{update.constraint}
\title{function for updating constrints, not well tested, may be broken}
\usage{
  \method{update}{constraint} (object, ...)
}
\arguments{
  \item{object}{object of type \code{\link{constraint}} to
  update}

  \item{...}{any other passthru parameters, used to call
  \code{\link{constraint}}}
}
\description{
  can we use the generic update.default function?
}
\author{
  bpeterson
}

